*{
    margin: 0;
    padding: 0;
}
body{
    overflow-x: hidden;
}
html{
    scroll-behavior: smooth;
}
header{
    height: 60px;
    background: #fff;
}
.header_center{
    width: 80%;
    height: 100%;
    margin: 0 auto;
    display: flex;
}
.header_l,.header_r{
    width: 50%;
    height: 100%;
}
.header_l{
    display: flex;
    align-items: center;
}
.header_l img{
    width: 121px;
    height: 32px;
    display: block;
}
.header_r{
    position: relative;
}

.header_r ul{
    height: 100%;
    list-style: none;
    display: flex;
    justify-content: end;
}
.header_r li{
    padding: 20px;
    font-size: 14px;
    white-space: nowrap;
    cursor:pointer;
    margin-left:20px;
    transition: .3s;
}
.header_r li:hover{
    border-bottom: 2px solid #865eff;
    color: #865eff;
}
.header_r li:first-child{
    border-bottom: 2px solid #865eff;
    font-weight: bold;
}
.header_r .icon-daohang{
    font-size: 28px;
    position: absolute;
    top: 30%;
    right: 0;
}
/* 轮播图 */
.banner{
    background: #f5f5f5;
    overflow:auto ;
}
.banner .banner_center{
    width: 80%;
    margin: 30px auto;
    overflow:hidden ;
    position: relative;
}
.swiper-slide {
    text-align: center;
    font-size: 18px;
    /* Center slide text vertically */
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
  }
  .swiper-slide img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
/* 不凡优势 */
.advantage{
    background:#f5f5f5;
}
.advantage_center{
    width: 80%;
    margin: 0 auto;
    overflow:hidden ;
}
.advantage_tit{
    font-weight: bold;
    font-size: 20px;
    position: relative;
}
.advantage_tit::before{
    content:'SUPER';
    display: block;
    font-size: 12px;
    position: absolute;
    left: 90px;
    bottom: 0;
    color: #969696;
}
.advantage_content{
    display: flex;
    justify-content: space-between;
    padding: 25px 0;
}
.advantage_content .advantage_items{
    width: 24%;
    position: relative;
    transition: .3s;
    cursor: pointer;
}
.advantage_items:hover{
    margin-top: -10px;
}
.advantage_items:hover .small_bg1{
    transform:rotate3d(0,0,1,60deg);
}
.advantage_content .advantage_items .advantage_bg{
    width: 100%;
}
.advantage_content .advantage_items .advantage_small{
    width: 100%;
    position: absolute;
    top: 12%;
    left: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}
.advantage_small .advantage_small_items{
    width: 45%;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: #fff;
}
.small_bg1{
    width: 65%;
    transition: .3s;
}
.small_bg2{
    width:40%;
    position: absolute;
}
.small_tit{
    font-weight: bold;
    white-space: nowrap;
}
.small_txt{
    font-size: 12px;
    margin-top: 5px;
    white-space: nowrap;
}
/* 课程介绍 */
.introduce{
    background: #f5f5f5;
}
.introduce_center{
    width: 80%;
    margin: 0 auto;
}
.introduce_tit{
    font-weight: bold;
    font-size: 20px;
    position: relative;
}
.introduce_tit::before{
    content:'COURSE';
    display: block;
    font-size: 12px;
    position: absolute;
    left: 90px;
    bottom: 0;
    color: #969696;
}
.introduce_content{
    padding: 25px 0;
    display: flex;
    justify-content: space-between;
}
.introduce_items{
    cursor: pointer;
    width: 49.2%;
    background: linear-gradient(179deg, #6CB550 0%, #95D844 100%);
    display: flex;
    align-items: center;
}
.introduce_content .introduce_items:nth-child(2){
    background: linear-gradient(179deg, #576CD3 1%, #7E91F1 99%);
}
.introduce_items_1{
    width: 50%;
    padding-top:10px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
}

.introduce_items_1 img{
    width: 100%;
}
.introduce_contxt{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: #fff;
    margin-bottom: 15px;
}
.introduce_contxt .introduce_contxt_p1{
    font-size: 60px;
    font-weight: bold;
}
.introduce_contxt .introduce_contxt_p1 span{
    font-size: 16px;
}
.introduce_contxt .introduce_contxt_p2{
    width: 130px;
    border: 1px solid #fff;
    border-radius: 30px;
    text-align: center;
    padding: 10px 20px;
    font-size: 14px;
    letter-spacing: 2px;
}
.introduce_contxt .introduce_contxt_p2:hover{
    border: 1px solid rgba(255, 255, 255, .6);
    background: rgba(255, 255, 255, .6);
}
.introduce_web_img{
    margin-top: 10px;
}
/* 不凡 */
.understand{
    background: #ccc;
    padding:80px 0 60px 0;
}
.understand_content{
    width: 80%;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
}
.understand_content .understand_items{
    width: 49.2%;
}
.understand_content .understand_l{
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}
.understand_l section{
    width: 47%;
}
.understand_l section img{
    width: 100%;
    height: 92%;
}
.understand_r{
    position: relative;
}
.my1{
    overflow: hidden;
}
/* 免费公开课 */
.free{
    background: #f5f5f5;
}
.free_center{
    width: 80%;
    margin: 0 auto;
    padding-top: 30px;
}
.free_tit{
    display: flex;
}
.free_txt{
    font-weight: bold;
    font-size: 20px;
    position: relative;
    white-space: nowrap;
}
.free_txt::after{
    content: 'SUPER';
    display: block;
    font-size:12px ;
    position: absolute;
    bottom: 0;
    left: 110px;
    color: #969696;
}
.free_nav{
    margin-left: 100px;
    display: flex;
    align-items: center;
}
.free_btn{
    display: block;
    width: 60px;
    font-size: 13px;
    margin-right: 15px ;
    text-align: center;
    padding: 3px 0;
    cursor: pointer;
    white-space: nowrap;
}
.change{
    background: linear-gradient(-40deg, #A066FC 0%, #5939EC 100%);
    color: #fff;
    border-radius: 5px;
}
.free_btn:hover{
    background: linear-gradient(-40deg, #A066FC 0%, #5939EC 100%);
    color: #fff;
    border-radius: 5px;
}
.free_content{
    padding-top: 30px;
    /* position: relative; */
}
.free_content .free_items{
    width: 100%;
    /* position: absolute; */
    display: none;
}
.free_content .free_whole{
    display: block;
}
.free_items_content{
    display: flex;
    justify-content: space-between;
}
.free_items_1{
    width: 24%;
    transition: .3s;
    cursor: pointer;
}
.free_items_1 img{
    border-radius: 5px;
    width: 100%;
} 
.free_items_1 p{
    font-size: 14px;
    font-weight: bold;
}
.free_items_1 span{
    font-size: 12px;
    color: #999;
}
.free_items_1:hover{
    margin-top: -10px;
}
/* 学员就业 */
.student{
    background: #f5f5f5;
}
.student_center{
    width: 80%;
    margin: 0 auto;
    padding: 30px 0;
}
.student_tit{
    font-weight: bold;
    font-size: 20px;
    position: relative;
}
.student_tit::after{
    content: 'WORK';
    display: block;
    position: absolute;
    font-size: 12px;
    bottom: 0;
    left: 90px;
    color: #969696;
}
.student_content{
    padding-top:20px ;
    overflow: hidden;
}
.my3_items{
    transition: .3s!important;
    cursor: pointer;
    flex-direction: column;
    justify-content: flex-start!important;
}
.my3_items:hover{
    margin-top: -10px;
    box-shadow: 0 16px 30px -20px #d0d9e1;
}
.my3_items img{
    border-radius: 6px 6px 0 0;
}
.students{
    width: 100%;
    padding: 15px 0 25px 25px;
    box-sizing: border-box;
    background:#FAFAFA;
    border-radius: 0 0 6px 6px;
}
.students p{
    font-size: 12px;
    text-align: left;
    margin-top: 6.5px;
    color: #999;
}
.students p:first-child{
    font-size: 14px;
    font-weight: bold;
    color: #000;
}
/* 手机端解决方案 */
.student_content_app{
    display: none;
}
/* 不凡说 */
.bfsay{
    background: #F5F5F5;
}
.bfsay_center{
    width: 80%;
    margin: 0 auto;
    padding-top:10px ;
}
.bfsay_tit{
    font-size: 20px;
    font-weight: bold;
    position: relative;
}
.bfsay_tit::after{
    content: 'TALK';
    font-size: 12px;
    position: absolute;
    bottom: 0;
    left: 70px;
    color: #999;
}
.bfsay_content{
    padding: 30px 0;
    display: flex;
    justify-content: space-between;
}
.bfsay_items{
    width: 24%;
}
.bfsay_items a{
    display: block;
    transition: .3s;
}
.bfsay_items a img{
    width: 100%;
    border-radius: 6px;
}
.bfsay_items a:hover{
    margin-top: -10px;
}
.bfsay_items p{
    margin-top: 5px;
}
.bfsay_txt{
    font-weight: bold;
    font-size: 13px;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}
.bfsay_time{
    color: #999;
    font-size: 12px;
    display: flex;
    align-items: center;
}
.bfsay_time::before{
    content: '';
    display: block;
    width: 17px;
    height: 17px;
    background: url(../images/bfsay_time.png) no-repeat;
    background-size: 100% auto;
}
/* 底部 */
footer{
    background: #282C35;
    padding-top: 30px;
}
.footer_center{
    width: 80%;
    margin: 0 auto;
    padding: 20px 0;
    display: flex;
}
.footer_items{
    padding-bottom: 30px;
}
.footer_center div:first-child{
    width: 85%;
    display: flex;
    flex-wrap: wrap;
}
.footer_center div:first-child section{
    width: 50%;
}
.footer_tit{
    color: #999;
    font-size: 12px;
}
.footer_txt{
    margin-top: 10px ;
    color: #fff;
    font-size: 18px;
}
.footer_txt span{
    font-size: 12px;
    color: #999;
} 
.footer_center div:last-child{
    width: 15%;
    margin-right: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.footer_center div:last-child img{
    width: 100%;
}
.footer_web{
    font-size: 12px;
    color: #999;
}
.footer_web span{
    color: #fff;
    display: inline-block;
    margin-bottom: 10px;
    font-weight: bold;
}
/* 友情链接 */
.link{
    background: #20232A;
    padding: 20px 0;
}
.link_center{
    width: 80%;
    margin: 0 auto;
    display: flex;
    justify-content: center;
}
.link_center section{
    width: 31%;
    color: #fff;
    font-size: 12px;
}
a{
    text-decoration: none;
    color: #fff;
}
/* 回到顶部 */
.service{
    width: 153px;
    height: 50px;
    background: #8756F6;
    position: fixed;
    right: -22px;
    bottom:100px;
    border-radius: 40px;
    z-index: 999;
    font-weight: bold;
    letter-spacing: 1px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 14px;
    transition: .3s;
    cursor: pointer;
    opacity: 0;
}
.service::before{
    content: '';
    display: block;
    width: 22px;
    height: 22px;
    background: #95D844;
    background: url(../icons/top.png) no-repeat;
    background-size:100% auto;
    margin-right: 5px;
}
.service:hover{
    right: 0;
}